CA2093793C - Alkylidene analogs of 1'-aminospiro¬isoquinoline-4(1h),-3'-pyrrolidine|1,2',3,5'(2h)-tetrones useful as aldose reductase inhibitors - Google Patents
Alkylidene analogs of 1'-aminospiro¬isoquinoline-4(1h),-3'-pyrrolidine|1,2',3,5'(2h)-tetrones useful as aldose reductase inhibitors Download PDFInfo
- Publication number
- CA2093793C CA2093793C CA002093793A CA2093793A CA2093793C CA 2093793 C CA2093793 C CA 2093793C CA 002093793 A CA002093793 A CA 002093793A CA 2093793 A CA2093793 A CA 2093793A CA 2093793 C CA2093793 C CA 2093793C
- Authority
- CA
- Canada
- Prior art keywords
- carbon atoms
- aryl
- lower alkyl
- compound
- isoquinoline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- RWRDLPDLKQPQOW-UHFFFAOYSA-N tetrahydropyrrole Substances C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 125000001118 alkylidene group Chemical group 0.000 title abstract description 10
- 239000003288 aldose reductase inhibitor Substances 0.000 title description 2
- 229940090865 aldose reductase inhibitors used in diabetes Drugs 0.000 title description 2
- 150000001875 compounds Chemical class 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- -1 4-bromo-2-fluorophenyl Chemical group 0.000 claims description 35
- 125000000217 alkyl group Chemical group 0.000 claims description 30
- 125000004432 carbon atom Chemical group C* 0.000 claims description 28
- 125000003118 aryl group Chemical group 0.000 claims description 24
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 23
- 125000003003 spiro group Chemical group 0.000 claims description 13
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 125000002723 alicyclic group Chemical group 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 150000002431 hydrogen Chemical class 0.000 claims description 5
- 239000003937 drug carrier Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 3
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- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 125000003107 substituted aryl group Chemical group 0.000 claims description 2
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- 238000004519 manufacturing process Methods 0.000 claims 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims 1
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- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 4
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- BEPAFCGSDWSTEL-UHFFFAOYSA-N dimethyl malonate Chemical compound COC(=O)CC(=O)OC BEPAFCGSDWSTEL-UHFFFAOYSA-N 0.000 description 4
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- FBPFZTCFMRRESA-GUCUJZIJSA-N galactitol Chemical compound OC[C@H](O)[C@@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-GUCUJZIJSA-N 0.000 description 4
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- XRXMNWGCKISMOH-UHFFFAOYSA-N 2-bromobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1Br XRXMNWGCKISMOH-UHFFFAOYSA-N 0.000 description 3
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- JQPCNISBBBPSOS-UHFFFAOYSA-N 2-(1,3-dimethoxy-1,3-dioxopropan-2-yl)benzoic acid Chemical compound COC(=O)C(C(=O)OC)C1=CC=CC=C1C(O)=O JQPCNISBBBPSOS-UHFFFAOYSA-N 0.000 description 2
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- HPDLIOXFWIOACY-UHFFFAOYSA-N 2-[2-[(4-bromo-2-fluorophenyl)methyl]-4-methoxycarbonyl-1,3-dioxoisoquinolin-4-yl]acetic acid Chemical compound O=C1C2=CC=CC=C2C(C(=O)OC)(CC(O)=O)C(=O)N1CC1=CC=C(Br)C=C1F HPDLIOXFWIOACY-UHFFFAOYSA-N 0.000 description 2
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- 230000003467 diminishing effect Effects 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229910052731 fluorine Chemical group 0.000 description 1
- 239000011737 fluorine Chemical group 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004190 glucose uptake Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 125000000654 isopropylidene group Chemical group C(C)(C)=* 0.000 description 1
- 206010023365 keratopathy Diseases 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 208000030159 metabolic disease Diseases 0.000 description 1
- BRSSFJZXYKOLKP-UHFFFAOYSA-N methyl 2-[(4-bromo-2-fluorophenyl)methyl]-4-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]-1,3-dioxoisoquinoline-4-carboxylate Chemical compound O=C1C2=CC=CC=C2C(C(=O)OC)(CC(=O)OC(C)(C)C)C(=O)N1CC1=CC=C(Br)C=C1F BRSSFJZXYKOLKP-UHFFFAOYSA-N 0.000 description 1
- BALMMLYJEIGQJI-UHFFFAOYSA-N methyl 6-bromo-2-methyl-4-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]-1,3-dioxoisoquinoline-4-carboxylate Chemical compound C1=C(Br)C=C2C(C(=O)OC)(CC(=O)OC(C)(C)C)C(=O)N(C)C(=O)C2=C1 BALMMLYJEIGQJI-UHFFFAOYSA-N 0.000 description 1
- UGDHGEHKEKBZEO-UHFFFAOYSA-N methyl 6-bromo-3-methoxy-1-oxoisochromene-4-carboxylate Chemical compound C1=C(Br)C=C2C(C(=O)OC)=C(OC)OC(=O)C2=C1 UGDHGEHKEKBZEO-UHFFFAOYSA-N 0.000 description 1
- LJXHUQXIFJPEOF-UHFFFAOYSA-N methyl 6-chloro-2-methyl-1,3-dioxo-4h-isoquinoline-4-carboxylate Chemical compound C1=C(Cl)C=C2C(C(=O)OC)C(=O)N(C)C(=O)C2=C1 LJXHUQXIFJPEOF-UHFFFAOYSA-N 0.000 description 1
- ITQSBQMGXWWVJN-UHFFFAOYSA-N methyl 6-chloro-2-methyl-4-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]-1,3-dioxoisoquinoline-4-carboxylate Chemical compound C1=C(Cl)C=C2C(C(=O)OC)(CC(=O)OC(C)(C)C)C(=O)N(C)C(=O)C2=C1 ITQSBQMGXWWVJN-UHFFFAOYSA-N 0.000 description 1
- ZQKOHJNKCBIYFQ-UHFFFAOYSA-N methyl 6-fluoro-3-methoxy-1-oxoisochromene-4-carboxylate Chemical compound C1=C(F)C=C2C(C(=O)OC)=C(OC)OC(=O)C2=C1 ZQKOHJNKCBIYFQ-UHFFFAOYSA-N 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004660 morphological change Effects 0.000 description 1
- 229930027945 nicotinamide-adenine dinucleotide Natural products 0.000 description 1
- 239000002997 ophthalmic solution Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 210000000578 peripheral nerve Anatomy 0.000 description 1
- 239000008024 pharmaceutical diluent Substances 0.000 description 1
- ICFJFFQQTFMIBG-UHFFFAOYSA-N phenformin Chemical compound NC(=N)NC(=N)NCCC1=CC=CC=C1 ICFJFFQQTFMIBG-UHFFFAOYSA-N 0.000 description 1
- 229960003243 phenformin Drugs 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000069 prophylactic effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 238000012453 sprague-dawley rat model Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008174 sterile solution Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 229960002277 tolazamide Drugs 0.000 description 1
- OUDSBRTVNLOZBN-UHFFFAOYSA-N tolazamide Chemical compound C1=CC(C)=CC=C1S(=O)(=O)NC(=O)NN1CCCCCC1 OUDSBRTVNLOZBN-UHFFFAOYSA-N 0.000 description 1
- 229960005371 tolbutamide Drugs 0.000 description 1
- 238000011200 topical administration Methods 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/10—Spiro-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/02—Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/12—Drugs for disorders of the urinary system of the kidneys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P15/00—Drugs for genital or sexual disorders; Contraceptives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
- A61P27/12—Ophthalmic agents for cataracts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Hematology (AREA)
- Urology & Nephrology (AREA)
- Diabetes (AREA)
- Endocrinology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Biomedical Technology (AREA)
- Obesity (AREA)
- Reproductive Health (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/596,889 US5068332A (en) | 1990-10-12 | 1990-10-12 | Alkylidene analogs of 1'-aminospiro[isoquinoline-4(1H),3'-pyrrolidine]-1,2',3,5'(2H)-tetrones useful as aldose reductase inhibitors |
| US596,889 | 1990-10-12 | ||
| PCT/US1991/007467 WO1992006974A1 (en) | 1990-10-11 | 1991-10-10 | Alkylidene analogs of 1'-aminospiro[isoquinoline-4(1h),3'-pyrrolidine]-1,2',3,5'(2h)-tetrones useful as aldose reductase inhibitors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2093793A1 CA2093793A1 (en) | 1992-04-13 |
| CA2093793C true CA2093793C (en) | 2001-08-21 |
Family
ID=24389149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002093793A Expired - Fee Related CA2093793C (en) | 1990-10-12 | 1991-10-10 | Alkylidene analogs of 1'-aminospiro¬isoquinoline-4(1h),-3'-pyrrolidine|1,2',3,5'(2h)-tetrones useful as aldose reductase inhibitors |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5068332A (de) |
| EP (1) | EP0555327B1 (de) |
| JP (1) | JP3115597B2 (de) |
| KR (1) | KR100212110B1 (de) |
| AT (1) | ATE175673T1 (de) |
| AU (1) | AU645866B2 (de) |
| CA (1) | CA2093793C (de) |
| DE (1) | DE69130771T2 (de) |
| DK (1) | DK0555327T3 (de) |
| ES (1) | ES2126577T3 (de) |
| GR (1) | GR3029883T3 (de) |
| LV (1) | LV12444B (de) |
| PT (1) | PT99185B (de) |
| SG (1) | SG47811A1 (de) |
| WO (1) | WO1992006974A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5102886A (en) * | 1990-10-12 | 1992-04-07 | American Home Products Corporation | 1'-aminospiro[isoquinoline-4(1H),3'-pyrrolidine]-1,2',3,5'(2H)-tetrones and analogs thereof useful as aldose reductase inhibitors |
| ATE150753T1 (de) * | 1991-11-25 | 1997-04-15 | American Home Prod | 1'-amino-2((benzothiazolyl)methyl> spiro (isochinolin-4(1h), 3'-pyrrolidine>-1,2',3,5'- tetrone und analoge davon verwendbar als aldosereduktase luhibitoren |
| US5189167A (en) * | 1991-11-25 | 1993-02-23 | American Home Products Corporation | Alkylidene analogs of 1'-amino-2-[(benzothiazolyl)-methyl]spiro [isoquinoline-4(1H),3'-pyrrolidine]-1,2',3,5'(2H)-tetrones useful as aldose reductase inhibitors |
| ATE229020T1 (de) * | 1994-01-19 | 2002-12-15 | Sankyo Co | Pyrrolopyridazin-derivate |
| EP2848252A3 (de) * | 2007-03-23 | 2015-06-17 | The Board of Regents of the University of Texas System | Aldose-Reduktase-Inhibitoren zur Behandlung von Uveitis |
| JP4708469B2 (ja) | 2008-02-29 | 2011-06-22 | Tdk株式会社 | バルントランス |
| KR20220144510A (ko) * | 2021-04-20 | 2022-10-27 | 에스케이이노베이션 주식회사 | 신규한 디아자스피로 화합물 및 이의 용도 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4200642A (en) * | 1978-08-21 | 1980-04-29 | Pfizer Inc. | Spiro-oxazolidindiones |
| IE52879B1 (en) * | 1981-05-12 | 1988-03-30 | Ici Plc | Pharmaceutical spiro-hydantoin derivatives |
| US4575507A (en) * | 1985-05-29 | 1986-03-11 | Pfizer Inc. | Spiro-imidazolidines as aldose reductase inhibitors and their pharmaceutical use |
| AU617541B2 (en) * | 1988-10-20 | 1991-11-28 | Wyeth | Spiro-isoquinoline-pyrrolidine tetrones and analogs thereof useful as aldose reductase inhibitors |
| US4927831A (en) * | 1988-10-20 | 1990-05-22 | American Home Products | Spiro-isoquinoline-pyrrolidine tetrones and analogs thereof useful as aldose reductase inhibitors |
| US5045544A (en) * | 1990-05-21 | 1991-09-03 | American Home Products Corporation | N'-alkyl-spiro-isoquinoline-pyrrolidine tetrones and analogs thereof useful as aldose reductase inhibitors |
-
1990
- 1990-10-12 US US07/596,889 patent/US5068332A/en not_active Expired - Lifetime
-
1991
- 1991-10-09 PT PT99185A patent/PT99185B/pt not_active IP Right Cessation
- 1991-10-10 DE DE69130771T patent/DE69130771T2/de not_active Expired - Fee Related
- 1991-10-10 ES ES91919785T patent/ES2126577T3/es not_active Expired - Lifetime
- 1991-10-10 CA CA002093793A patent/CA2093793C/en not_active Expired - Fee Related
- 1991-10-10 AT AT91919785T patent/ATE175673T1/de not_active IP Right Cessation
- 1991-10-10 EP EP91919785A patent/EP0555327B1/de not_active Expired - Lifetime
- 1991-10-10 SG SG1996004512A patent/SG47811A1/en unknown
- 1991-10-10 JP JP03518067A patent/JP3115597B2/ja not_active Expired - Fee Related
- 1991-10-10 AU AU89228/91A patent/AU645866B2/en not_active Ceased
- 1991-10-10 WO PCT/US1991/007467 patent/WO1992006974A1/en not_active Ceased
- 1991-10-10 KR KR1019930701087A patent/KR100212110B1/ko not_active Expired - Fee Related
- 1991-10-10 DK DK91919785T patent/DK0555327T3/da active
-
1999
- 1999-04-05 GR GR990400972T patent/GR3029883T3/el unknown
-
2000
- 2000-01-11 LV LVP-00-04A patent/LV12444B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| LV12444B (en) | 2000-06-20 |
| GR3029883T3 (en) | 1999-07-30 |
| JP3115597B2 (ja) | 2000-12-11 |
| HK1011356A1 (en) | 1999-07-09 |
| LV12444A (en) | 2000-03-20 |
| EP0555327A1 (de) | 1993-08-18 |
| PT99185A (pt) | 1992-09-30 |
| JPH06502169A (ja) | 1994-03-10 |
| KR100212110B1 (ko) | 1999-08-02 |
| AU8922891A (en) | 1992-05-20 |
| SG47811A1 (en) | 1998-04-17 |
| US5068332A (en) | 1991-11-26 |
| DK0555327T3 (da) | 1999-08-30 |
| PT99185B (pt) | 1999-04-30 |
| DE69130771T2 (de) | 1999-05-27 |
| EP0555327B1 (de) | 1999-01-13 |
| ATE175673T1 (de) | 1999-01-15 |
| WO1992006974A1 (en) | 1992-04-30 |
| CA2093793A1 (en) | 1992-04-13 |
| DE69130771D1 (de) | 1999-02-25 |
| ES2126577T3 (es) | 1999-04-01 |
| KR930702347A (ko) | 1993-09-08 |
| AU645866B2 (en) | 1994-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |